Base de minéraux et lithothérapieMinérauxDalnegorskiteDavid Hospital·CC BY 4.0·WikimediaDalnegorskiteCa5Mn(Si3O9)2Triclino IMA approvedCompositionComposizione (% in peso)OCaSiMnOOxygen40.5%CaCalcium28.2%SiSilicon23.7%MnManganese7.7%